2-{(4S,7S,10S,13S,16S,22S,25S,28R)-3,6,9,12,15,18,21,24,30-Nonaaza-13,16-bis((1S)-1-methylpropyl)-25-[(4-methoxyphenyl)methyl]-3,9,12,15,21-pentamethyl-27-oxa-2,5,8,11,14,17,20,23,26,29-decaoxo-4,7,22,28-tetrakis(methylethyl)bicyclo[28.4.0]tetratriacont-10-yl}acetic acid AIDS-106981 AIDS106981 Clarvariopsin A